src/eu/alefzero/owncloud/MainScreen.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package eu.alefzero.owncloud;
  20
  21 import java.io.File;
  22 import java.io.FileInputStream;
  23 import java.io.FileNotFoundException;
  24 import java.io.IOException;
  25 import java.util.LinkedList;
  26 import java.util.Stack;
  27
  28 import android.accounts.Account;
  29 import android.accounts.AccountManager;
  30 import android.app.AlertDialog;
  31 import android.app.Dialog;
  32 import android.app.ListActivity;
  33 import android.content.DialogInterface;
  34 import android.content.Intent;
  35 import android.content.DialogInterface.OnCancelListener;
  36 import android.content.res.Configuration;
  37 import android.database.Cursor;
  38 import android.graphics.Bitmap;
  39 import android.graphics.BitmapFactory;
  40 import android.graphics.Matrix;
  41 import android.net.Uri;
  42 import android.os.Bundle;
  43 import android.os.Environment;
  44 import android.support.v4.app.FragmentActivity;
  45 import android.support.v4.app.FragmentTransaction;
  46 import android.text.TextUtils;
  47 import android.util.Log;
  48 import android.view.Menu;
  49 import android.view.MenuInflater;
  50 import android.view.MenuItem;
  51 import android.view.View;
  52 import android.view.Window;
  53 import android.widget.ImageView;
  54 import android.widget.ListView;
  55 import android.widget.TextView;
  56 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  57 import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;
  58
  59 public class MainScreen extends FragmentActivity {
  60   private DbHandler mDBHandler;
  61   private Stack<String> mParents;
  62   private LinkedList<String> mPath;
  63   private Account mAccount;
  64   private Cursor mCursor;
  65   private boolean mIsDisplayingFile;
  66
  67   private static final int DIALOG_CHOOSE_ACCOUNT = 0;
  68
  69   @Override
  70   public void onCreate(Bundle savedInstanceState) {
  71     super.onCreate(savedInstanceState);
  72     getWindow().requestFeature(Window.FEATURE_NO_TITLE);
  73     setContentView(R.layout.main);
  74
  75     FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
  76     ft.add(R.id.fileList, new FileList());
  77     if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
  78       ft.add(R.id.fileDetail, new FileDetail());
  79     }
  80     ft.commit();
  81
  82     /*getSupportFragmentManager().beginTransaction().add(arg0, arg1);
  83     FileList fl = new FileList();
  84     ft.add(R.id.fileList, fl);
  85     ft.commit();
  86     /*
  87
  88
  89     if (savedInstanceState != null) {
  90       mParents = (Stack<String>)savedInstanceState.getSerializable("parentsStack");
  91       mIsDisplayingFile = savedInstanceState.getBoolean("isDisplayingFile");
  92       mPath = (LinkedList<String>)savedInstanceState.getSerializable("path");
  93     } else {
  94       mParents = new Stack<String>();
  95       mPath = new LinkedList<String>();
  96       mIsDisplayingFile = false;
  97     }
  98
  99     mDBHandler = new DbHandler(getBaseContext());
 100     requestWindowFeature(Window.FEATURE_NO_TITLE);
 101     setContentView(R.layout.main);
 102
 103     AccountManager accMan = AccountManager.get(this);
 104     Account[] accounts = accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE);
 105
 106     if (accounts.length == 0) {
 107       // using string value since in API7 this constatn is not defined
 108       // in API7 < this constatant is defined in Settings.ADD_ACCOUNT_SETTINGS
 109       // and Settings.EXTRA_AUTHORITIES
 110       Intent intent = new Intent("android.settings.ADD_ACCOUNT_SETTINGS");
 111       intent.putExtra("authorities", new String[] {AccountAuthenticator.AUTH_TOKEN_TYPE});
 112       startActivity(intent);
 113     } else if (accounts.length > 1) {
 114       showDialog(DIALOG_CHOOSE_ACCOUNT);
 115     } else {
 116       mAccount = accounts[0];
 117       populateFileList();
 118     }*/
 119   }
 120
 121   @Override
 122   public boolean onOptionsItemSelected(MenuItem item) {
 123     switch (item.getItemId()) {
 124       case R.id.settingsItem :
 125         Intent i = new Intent(this, Preferences.class);
 126         startActivity(i);
 127         break;
 128     }
 129     return true;
 130   }
 131
 132   @Override
 133   protected Dialog onCreateDialog(int id) {
 134     switch (id) {
 135       case DIALOG_CHOOSE_ACCOUNT:
 136         return createChooseAccountDialog();
 137       default:
 138         throw new IllegalArgumentException("Unknown dialog id: " + id);
 139     }
 140   }
 141
 142   @Override
 143   public boolean onCreateOptionsMenu(Menu menu) {
 144     MenuInflater inflater = getMenuInflater();
 145     inflater.inflate(R.menu.menu, menu);
 146     return true;
 147   }
 148
 149   private Dialog createChooseAccountDialog() {
 150     final AccountManager accMan = AccountManager.get(this);
 151     CharSequence[] items = new CharSequence[accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE).length];
 152     int i = 0;
 153     for (Account a : accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE)) {
 154       items[i++] = a.name;
 155     }
 156
 157     AlertDialog.Builder builder = new AlertDialog.Builder(this);
 158     builder.setTitle(R.string.common_choose_account);
 159     builder.setCancelable(true);
 160     builder.setItems(items, new DialogInterface.OnClickListener() {
 161         public void onClick(DialogInterface dialog, int item) {
 162             mAccount = accMan.getAccountsByType(AccountAuthenticator.ACCOUNT_TYPE)[item];
 163             dialog.dismiss();
 164             populateFileList();
 165         }
 166     });
 167     builder.setOnCancelListener(new OnCancelListener() {
 168       public void onCancel(DialogInterface dialog) {
 169         MainScreen.this.finish();
 170       }
 171     });
 172     AlertDialog alert = builder.create();
 173     return alert;
 174   }
 175
 176   //@Override
 177   //public void onBackPressed() {
 178     /*PathLayout pl = (PathLayout) findViewById(R.id.pathLayout1);
 179     if (mIsDisplayingFile) {
 180       mIsDisplayingFile = false;
 181       setContentView(R.layout.main);
 182       pl = (PathLayout) findViewById(R.id.pathLayout1);
 183       Uri uri;
 184       if (mParents.empty()) {
 185         uri = ProviderTableMeta.CONTENT_URI;
 186       } else {
 187         uri = Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, mParents.peek());
 188       }
 189       mCursor = managedQuery(uri,
 190                              null,
 191                              ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 192                              new String[]{mAccount.name}, null);
 193
 194       if (mCursor.moveToFirst()) {
 195         String s = mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_PATH));
 196         for (String str : s.split("/")) {
 197           if (!TextUtils.isEmpty(str))
 198             pl.push(DisplayUtils.HtmlDecode(str));
 199         }
 200       }
 201       getListView().setAdapter(new FileListListAdapter(mCursor, this));
 202       getListView().invalidate();
 203       return;
 204     }
 205     if (mParents.size()==0) {
 206       super.onBackPressed();
 207       return;
 208     } else if (mParents.size() == 1) {
 209       mParents.pop();
 210       mPath.removeLast();
 211       pl.pop();
 212       mCursor = managedQuery(ProviderTableMeta.CONTENT_URI,
 213           null,
 214           ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 215           new String[]{mAccount.name},
 216           null);
 217     } else {
 218       mParents.pop();
 219       mPath.removeLast();
 220       pl.pop();
 221       mCursor = managedQuery(Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, mParents.peek()),
 222           null,
 223           ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 224           new String[]{mAccount.name},
 225           null);
 226     }
 227
 228     setListAdapter(new FileListListAdapter(mCursor, this));
 229     getListView().invalidate();*/
 230   //}
 231
 232   //@Override
 233 /*  protected void onListItemClick(ListView l, View v, int position, long id) {
 234     super.onListItemClick(l, v, position, id);
 235     /*PathLayout pl = (PathLayout) findViewById(R.id.pathLayout1);
 236     if (!mCursor.moveToPosition(position)) {
 237       throw new IndexOutOfBoundsException("Incorrect item selected");
 238     }
 239     if (!mIsDisplayingFile) {
 240       if (mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)).equals("DIR")) {
 241         String id_ = mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta._ID));
 242         String dirname = mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_NAME));
 243         pl.push(DisplayUtils.HtmlDecode(dirname));
 244         mPath.addLast(DisplayUtils.HtmlDecode(dirname));
 245         mParents.push(id_);
 246         mCursor = managedQuery(Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, id_),
 247                                null,
 248                                ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 249                                new String[]{mAccount.name}, null);
 250         setListAdapter(new FileListListAdapter(mCursor, this));
 251       } else {
 252         mIsDisplayingFile = true;
 253         setContentView(R.layout.file_display);
 254         String id_ = mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta._ID));
 255         mCursor = managedQuery(Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_FILE, id_),
 256                                null,
 257                                null,
 258                                null,
 259                                null);
 260         mCursor.moveToFirst();
 261         // filename
 262         TextView tv = (TextView) findViewById(R.id.textView1);
 263         tv.setText(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_NAME)));
 264         // filetype
 265         tv = (TextView) findViewById(R.id.textView2);
 266         tv.setText(DisplayUtils.convertMIMEtoPrettyPrint(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE))));
 267         // size
 268         tv = (TextView) findViewById(R.id.textView3);
 269         tv.setText(DisplayUtils.bitsToHumanReadable(mCursor.getLong(mCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_LENGTH))));
 270         // modified
 271         tv = (TextView) findViewById(R.id.textView4);
 272         tv.setText(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_MODIFIED)));
 273         if (!TextUtils.isEmpty(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH))) &&
 274             mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_CONTENT_TYPE)).matches("image/*")) {
 275           ImageView iv = (ImageView) findViewById(R.id.imageView1);
 276           Bitmap bmp = BitmapFactory.decodeFile(mCursor.getString(mCursor.getColumnIndex(ProviderTableMeta.FILE_STORAGE_PATH)));
 277           Matrix m = new Matrix();
 278           float scale;
 279           if (bmp.getWidth() > bmp.getHeight()) {
 280             scale = (float) (200./bmp.getWidth());
 281           } else {
 282             scale = (float) (200./bmp.getHeight());
 283           }
 284           m.postScale(scale, scale);
 285           Bitmap newBmp = Bitmap.createBitmap(bmp, 0, 0, bmp.getWidth(), bmp.getHeight(), m, true);
 286           iv.setImageBitmap(newBmp);
 287         }
 288         setListAdapter(new FileListActionListAdapter(mCursor, this, mAccount));
 289       }
 290       getListView().invalidate();
 291     } else {
 292         Intent i = (Intent) getListAdapter().getItem(position);
 293         if (i.hasExtra("toDownload")) {
 294
 295           Intent intent = new Intent(this, FileDownloader.class);
 296           intent.putExtra(FileDownloader.EXTRA_FILE_PATH, "/"+((TextView)findViewById(R.id.textView1)).getText().toString());
 297           intent.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 298           startService(intent);
 299           /*
 300           if (i.getBooleanExtra("toDownload", false)) {
 301             startActivityForResult(i, 200);
 302           } else {
 303             startActivity(i);
 304           }*/
 305        // }
 306
 307     //}
 308 //  }
 309
 310   private void populateFileList() {
 311     if (mParents.empty()) {
 312       mCursor = getContentResolver().query(ProviderTableMeta.CONTENT_URI,
 313                                            null,
 314                                            ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 315                                            new String[]{mAccount.name},
 316                                            null);
 317     } else {
 318       mCursor = getContentResolver().query(Uri.withAppendedPath(ProviderTableMeta.CONTENT_URI_DIR, mParents.peek()),
 319                                            null,
 320                                            ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
 321                                            new String[]{mAccount.name}, null);
 322       if (!mIsDisplayingFile) {
 323         //PathLayout pl = (PathLayout) findViewById(R.id.pathLayout1);
 324         //for (String s : mPath) {
 325         //  pl.push(s);
 326        // }
 327       }
 328     }
 329 //    setListAdapter(new FileListListAdapter(mCursor, this));
 330 //    getListView().invalidate();
 331   }
 332
 333   //@Override
 334   /*protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 335     super.onActivityResult(requestCode, resultCode, data);
 336   }
 337
 338   @Override
 339   protected void onSaveInstanceState(Bundle outState) {
 340     super.onSaveInstanceState(outState);
 341     outState.putSerializable("parentsStack", mParents);
 342     outState.putSerializable("path", mPath);
 343     outState.putBoolean("isDisplayingFile", mIsDisplayingFile);
 344   }*/
 345
 346 }